What name is typically used to describe nonimitative, free-style passages in a fugue?

Which two terms are used to indicate almost any repeating bass pattern of short duration?

A) basso ostinato, figured bass B) walking bass, murky bass C) ciaccona, passacaglia D) ground bass, basso continuo

During the Romanesque period, what largely replaced mosaics on the walls of churches outside of Rome?

A) relief carvings B) painted murals C) marble inlay D) bare expanses of stone